[INFO] fetching crate reference-counted 0.1.0...
[INFO] testing reference-counted-0.1.0 against try#b83b707f97d809763b7861afa7638871f3339a33 for pr-145838-1
[INFO] extracting crate reference-counted 0.1.0 into /workspace/builds/worker-0-tc2/source
[INFO] started tweaking crates.io crate reference-counted 0.1.0
[INFO] finished tweaking crates.io crate reference-counted 0.1.0
[INFO] tweaked toml for crates.io crate reference-counted 0.1.0 written to /workspace/builds/worker-0-tc2/source/Cargo.toml
[INFO] validating manifest of crates.io crate reference-counted 0.1.0 on toolchain b83b707f97d809763b7861afa7638871f3339a33
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--manifest-path" "Cargo.toml" "--no-deps", kill_on_drop: false }`
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "generate-lockfile" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] [stderr]     Updating crates.io index
[INFO] [stderr]      Locking 2 packages to latest compatible versions
[INFO] [stderr]       Adding smart-pointer v0.1.1 (available: v0.2.0)
[INFO] running `Command { std: CARGO_HOME="/workspace/cargo-home" RUSTUP_HOME="/workspace/rustup-home" "/workspace/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "fetch" "--manifest-path" "Cargo.toml", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "metadata" "--no-deps" "--format-version=1", kill_on_drop: false }`
[INFO] [stdout] 09367491d3bb3a65ea82b47f3d49eb5d2b9ef594e738382e469f77daa4c546d4
[INFO] running `Command { std: "docker" "start" "-a" "09367491d3bb3a65ea82b47f3d49eb5d2b9ef594e738382e469f77daa4c546d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "inspect" "09367491d3bb3a65ea82b47f3d49eb5d2b9ef594e738382e469f77daa4c546d4", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "09367491d3bb3a65ea82b47f3d49eb5d2b9ef594e738382e469f77daa4c546d4", kill_on_drop: false }`
[INFO] [stdout] 09367491d3bb3a65ea82b47f3d49eb5d2b9ef594e738382e469f77daa4c546d4
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "build" "--frozen" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] 7e0b16de23a3179b0fa334d058a18318319246f8dfe262687ce200b3ec8dc679
[INFO] running `Command { std: "docker" "start" "-a" "7e0b16de23a3179b0fa334d058a18318319246f8dfe262687ce200b3ec8dc679", kill_on_drop: false }`
[INFO] [stderr]    Compiling maybe-std v0.1.2
[INFO] [stderr]    Compiling smart-pointer v0.1.1
[INFO] [stderr]    Compiling reference-counted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `dev` profile [unoptimized + debuginfo] target(s) in 0.39s
[INFO] running `Command { std: "docker" "inspect" "7e0b16de23a3179b0fa334d058a18318319246f8dfe262687ce200b3ec8dc679", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "7e0b16de23a3179b0fa334d058a18318319246f8dfe262687ce200b3ec8dc679", kill_on_drop: false }`
[INFO] [stdout] 7e0b16de23a3179b0fa334d058a18318319246f8dfe262687ce200b3ec8dc679
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen" "--no-run" "--message-format=json", kill_on_drop: false }`
[INFO] [stdout] f028f28c977067cbf8f0a3a36c648bfcb12ee47eb030b25855fdfeebe0f4d22d
[INFO] running `Command { std: "docker" "start" "-a" "f028f28c977067cbf8f0a3a36c648bfcb12ee47eb030b25855fdfeebe0f4d22d", kill_on_drop: false }`
[INFO] [stderr]    Compiling reference-counted v0.1.0 (/opt/rustwide/workdir)
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.55s
[INFO] running `Command { std: "docker" "inspect" "f028f28c977067cbf8f0a3a36c648bfcb12ee47eb030b25855fdfeebe0f4d22d", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "f028f28c977067cbf8f0a3a36c648bfcb12ee47eb030b25855fdfeebe0f4d22d", kill_on_drop: false }`
[INFO] [stdout] f028f28c977067cbf8f0a3a36c648bfcb12ee47eb030b25855fdfeebe0f4d22d
[INFO] running `Command { std: "docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-0-tc2/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "RUSTDOCFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--user" "0:0" "--network" "none" "ghcr.io/rust-lang/crates-build-env/linux@sha256:7ad1b28ee6f5f7f699f6cf7015098d6ccdd96d6f2d78dd06228f5b4c9faf309c" "/opt/rustwide/cargo-home/bin/cargo" "+b83b707f97d809763b7861afa7638871f3339a33" "test" "--frozen", kill_on_drop: false }`
[INFO] [stdout] da046c0276f6a46871f8050b80c1dca5b6a94ea0c39f32a03d0dfc8e076d87ea
[INFO] running `Command { std: "docker" "start" "-a" "da046c0276f6a46871f8050b80c1dca5b6a94ea0c39f32a03d0dfc8e076d87ea", kill_on_drop: false }`
[INFO] [stderr]     Finished `test` profile [unoptimized + debuginfo] target(s) in 0.04s
[INFO] [stderr]      Running unittests src/lib.rs (/opt/rustwide/target/debug/deps/reference_counted-11734c06f365dd09)
[INFO] [stdout] 
[INFO] [stdout] running 0 tests
[INFO] [stdout] 
[INFO] [stderr]    Doc-tests reference_counted
[INFO] [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.00s
[INFO] [stdout] 
[INFO] [stdout] 
[INFO] [stdout] running 4 tests
[INFO] [stdout] test src/rc.rs - rc::Rc<T>::default (line 305) ... FAILED
[INFO] [stdout] test src/rc.rs - rc::Rc<T>::drop (line 92) ... FAILED
[INFO] [stdout] test src/arc.rs - arc::Arc<T>::drop (line 131) ... ok
[INFO] [stdout] test src/arc.rs - arc::Arc<T>::default (line 379) ... ok
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout] 
[INFO] [stdout] ---- src/rc.rs - rc::Rc<T>::default (line 305) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `std::sync::Rc`
[INFO] [stdout]  --> src/rc.rs:306:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Rc` in `sync`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these structs instead
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use std::rc::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use maybe_std::rc::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use reference_counted::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] ---- src/rc.rs - rc::Rc<T>::drop (line 92) stdout ----
[INFO] [stdout] error[E0432]: unresolved import `std::sync::Rc`
[INFO] [stdout]  --> src/rc.rs:93:5
[INFO] [stdout]   |
[INFO] [stdout] 3 | use std::sync::Rc;
[INFO] [stdout]   |     ^^^^^^^^^^^^^ no `Rc` in `sync`
[INFO] [stdout]   |
[INFO] [stdout] help: consider importing one of these structs instead
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use std::rc::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use maybe_std::rc::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 3 - use std::sync::Rc;
[INFO] [stdout] 3 + use reference_counted::Rc;
[INFO] [stdout]   |
[INFO] [stdout] 
[INFO] [stdout] error: aborting due to 1 previous error
[INFO] [stdout] 
[INFO] [stdout] For more information about this error, try `rustc --explain E0432`.
[INFO] [stdout] Couldn't compile the test.
[INFO] [stdout] 
[INFO] [stdout] failures:
[INFO] [stdout]     src/rc.rs - rc::Rc<T>::default (line 305)
[INFO] [stdout]     src/rc.rs - rc::Rc<T>::drop (line 92)
[INFO] [stdout] 
[INFO] [stdout] test result: FAILED. 2 passed; 2 failed; 0 ignored; 0 measured; 0 filtered out; finished in 0.41s
[INFO] [stdout] 
[INFO] [stderr] error: doctest failed, to rerun pass `--doc`
[INFO] running `Command { std: "docker" "inspect" "da046c0276f6a46871f8050b80c1dca5b6a94ea0c39f32a03d0dfc8e076d87ea", kill_on_drop: false }`
[INFO] running `Command { std: "docker" "rm" "-f" "da046c0276f6a46871f8050b80c1dca5b6a94ea0c39f32a03d0dfc8e076d87ea", kill_on_drop: false }`
[INFO] [stdout] da046c0276f6a46871f8050b80c1dca5b6a94ea0c39f32a03d0dfc8e076d87ea